Make sure baby's active?

Kimberly🚮🚮😘 • Momma to Orion, Taurus, opinionated (sorry)
How can I make sure baby will be active and not sleeping on Thursday when they do my anatomy scan? I want baby to be moving so we can hopefully have a better chance of finding out if it's a boy or girl. At our last ultrasound baby slept through it for the most part